100Pcs M4 Brass Female Threaded Knurled Insert Embedded Nut

Specification:
Material: Brass
: Gold
Thread Diamter: M4(4mm)
Outer Diameter: 5.3mm
Height: 4mm

Features:
- Made of high quality brass, anti-corrosion and anti-rust, durable to use.
- Usually Applied to injection molding, hardware springs, leaf springs, hardware stamping parts, and so on.
- No need to counter bore or countersink the hole because the insert has guide pilot.











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